Resources Contact Us Home
Browse by Category: Main > Industrial
Class Information
Number: 122/145
Name: Liquid heaters and vaporizers > Flue > Horizontal > Internal water tube > Transverse
Description: Devices having water tubes extending across the flues and communicating with the boiler at both ends.

Sub-classes under this class:

Class Number Class Name Patents
122/146 Drop water firebox 0
122/147 Return fire tube 0

Patents under this class:

Patent Number Title Of Patent Date Issued
4316436 Heat exchanger Feb. 23, 1982
4062324 Firetube economizer Dec. 13, 1977
4044726 Circulating water heater Aug. 30, 1977

  Recently Added Patents
Interference suppressing OFDM system for wireless communications
Techniques for data assignment from an external distributed file system to a database management system
Global codebook for coordinated multi-point processing
Sabatier process and apparatus for controlling exothermic reaction
Identification of biomarkers in biological samples and methods of using same
Starch networks as absorbent or superabsorbent materials and their preparation by extrusion
Radiation protective garment with forced ventilation and method
  Randomly Featured Patents
Temperature compensated nuclear magnetic resonance apparatus and method
Fluid sample cell
Method and apparatus for the staggered startup of hard disk drives
Site optimizer
Apparatus for skipping arithmetic calculations involving leading zeros
Fiber optic bundle interstitial cooling using heat pipe technology
Alignment marks for polarized light lithography and method for use thereof
Gear hinge
Remote convience system and method with proximity-based disablement RFO preventing inadvertent function activation
Enhancing compression while transcoding JPEG images